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The average of 12 numbers is 15, and the average of the first four numbers is 13. What is the average of the remaining numbers? |
16 14 12 18 |
16 |
Let average of remaining 8 numbers is P According to question , 12 × 15 = 4 × 13 + 8 × P 180 = 52 + 8P 128 = 8P P = 16 So , average of remaining 8 numbers is P |
